State taxes can be dodged by moving. Federal (US) taxes are supposed to be filed each year no matter where US-ians live. They can work games to not pay the US but that either requires "no formal income" or living where taxes are higher than the US.
Or, I guess, just don't deal with the US and either don't go there, or hope to not get caught.
If you read the article, the author frames the discussion around a retroactive tax in California applying to those resident in California as of January 1, 2026 so that it cannot be dodged by moving. Also, the words “US”, “US-ian”, “American” appear zero times. The word “federal” appears one time.
I think this comment is a little off-topic.